1)Right click Carriers.
2)Select Add.
3)Select the TONE protocol.
4)Enter a name in the Carrier field.
5)If your modem requires a special initialization string to send DTMF, enter it in the Init String field.
6)Set the Max Chars field to the maximum number of digits you want to transmit in a single dial-in session.
7)The Wait String field determines how long the program should pause before transmitting the touch tones in the message. Your modem uses the Hayes AT command set, which means a comma represents a two second pause and an @ represents a 3 second pause.
8)Click Apply.
9) Go to Connectors - Connector X - Settings.
Note: Any connector can use a modem but a connector can only be tied to one modem at a time. Multiple connectors cannot reference the same modem.
10) Set the Serial Port field to match the COM port of the modem.
11) Click Apply.
Click here for a list of Settings Variables that can be used with TONE Carriers